Q15 of 30 Page 5

If and find the values of at and

Given: x = a sin 2t(1 + cos 2t) and y = b cos 2t(1 – cos 2t)



x = a sin 2t(1 + cos 2t)


Differentiating both sides with respect to t:












y = b cos 2t(1 – cos 2t)


Differentiating both sides with respect to t:













Now,





















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